/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_a11y_HTMLImageMapAccessible_h__ #define mozilla_a11y_HTMLImageMapAccessible_h__ #include "HTMLLinkAccessible.h" #include "ImageAccessibleWrap.h" #include "nsIDOMHTMLMapElement.h" namespace mozilla { namespace a11y { /** * Used for HTML image maps. */ class HTMLImageMapAccessible final : public ImageAccessibleWrap { public: HTMLImageMapAccessible(nsIContent* aContent, DocAccessible* aDoc); // nsISupports and cycle collector NS_DECL_ISUPPORTS_INHERITED // Accessible virtual a11y::role NativeRole() override; // HyperLinkAccessible virtual uint32_t AnchorCount() override; virtual Accessible* AnchorAt(uint32_t aAnchorIndex) override; virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) override; /** * Update area children of the image map. */ void UpdateChildAreas(bool aDoFireEvents = true); /** * Return accessible of child node. */ Accessible* GetChildAccessibleFor(const nsINode* aNode) const; protected: virtual ~HTMLImageMapAccessible() { } }; /** * Accessible for image map areas - must be child of image. */ class HTMLAreaAccessible final : public HTMLLinkAccessible { public: HTMLAreaAccessible(nsIContent* aContent, DocAccessible* aDoc); // Accessible virtual void Description(nsString& aDescription) override; virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY, EWhichChildAtPoint aWhichChild) override; virtual nsRect RelativeBounds(nsIFrame** aBoundingFrame) const override; // HyperLinkAccessible virtual uint32_t StartOffset() override; virtual uint32_t EndOffset() override; virtual bool IsAcceptableChild(nsIContent* aEl) const override { return false; } protected: // Accessible virtual ENameValueFlag NativeName(nsString& aName) override; }; //////////////////////////////////////////////////////////////////////////////// // Accessible downcasting method inline HTMLImageMapAccessible* Accessible::AsImageMap() { return IsImageMap() ? static_cast<HTMLImageMapAccessible*>(this) : nullptr; } } // namespace a11y } // namespace mozilla #endif